Localisation (#39)

* Localisation

* Update tests

* Fix map markers in English view

* Fix typo

cypress/support/component.tsx

@@ -0,0 +1,49 @@
+// ***********************************************************
+// This example support/component.ts is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+import { mount } from "cypress/react18";
+import { NextIntlClientProvider } from "next-intl";
+
+import messages from "@/messages/fr.json";
+import "./commands";
+
+// Alternatively you can use CommonJS syntax:
+// require('./commands')
+
+// Augment the Cypress namespace to include type definitions for
+// your custom command.
+// Alternatively, can be defined in cypress/support/component.d.ts
+// with a <reference path="./component" /> at the top of your spec.
+declare global {
+  namespace Cypress {
+    // noinspection JSUnusedGlobalSymbols
+    interface Chainable {
+      mount: typeof mount;
+    }
+  }
+}
+
+Cypress.Commands.add("mount", (component, options) => {
+  const wrapped = (
+    <NextIntlClientProvider locale="fr" messages={messages}>
+      {component}
+    </NextIntlClientProvider>
+  );
+
+  return mount(wrapped, options);
+});
+
+// Example use:
+// cy.mount(<MyComponent />)